Toothbrush



FIG. 1 is a perspective view of a toothbrush showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image thereof; and,

FIG. 4 is a rear elevation view thereof. 

The ornamental design for toothbrush, as shown and described. 